Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (6) Gas Chromatography (GC) (27) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (22) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type (-) Blood (5) Fluid (2) Serum or Plasma (3) Urine (3) Test Area Drugs of Abuse (2) Exposure (1) Therapeutics (2) Test Category Analgesics (1) Depressants (1) Muscle Relaxants (1) Sedative/Hypnotics (1) Volatiles (1) Test Sub-Category Opiates/Opioids (1) Other (4) Your search has returned no tests.